SuperDARN: An example of a network approach to geospace science in the twenty-first century
SuperDARN: An example of a network approach to geospace science in the twenty-first century
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DOI：
10.1016/j.jastp.2008.08.003
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发表时间：
2008-12
影响因子：
1.9
通讯作者：
M. Lester
中科院分区：
文献类型：
--
作者：
M. Lester
自空间时代开始以来的50年里，对地球空间环境或地球空间的研究取得了长足的进步，这与1957年国际地球物理年不谋而合。空间探测器访问了该环境的大部分地区，提供了大量的现场和遥感测量。对过去50年取得的进步作出贡献的同样重要的是分布在地球表面的许多仪器。特别是，为研究地球空间动力学、地球空间内的能量再分配以及等离子体中的基本物理过程等特定目的而发展的网络取得了巨大的成功。地面仪器遥测地球空间的过程和现象，由于这一体积很大，这类仪器的网络是衡量地球空间及其动态的全球状况的最佳方式。在这篇文章中，我描述了超级双极光雷达网(SuperDARN)如何促进地面网络的成功，专注于科学成果，这需要SuperDARN很好地展示网络方法。这类科学包括对重联电场及其动力学的遥感，对地球空间系统中的不对称性是由外部驱动力引起的过程的研究，以及在地球空间内能量和动量转移中发挥重要作用的MHD波。此外，我还讨论了开放科学问题，SuperDARN今后可以解决这些问题，特别是结合当前和未来的空间任务以及其他地面网络。
The study of Earth's space environment, or geospace, has made considerable advances in the 50 years since the start of the Space Age, which was coincident with the 1957 International Geophysical Year. Space probes have visited most parts of that environment providing a wealth of in situ and remote-sensing measurements. Equally important in contributing to the advances made over the last 50 years have been the many instruments, which have been distributed on the surface of the Earth. In particular, the development of networks for the specific purpose of studying the dynamics of geospace, energy redistribution within geospace, and fundamental physical processes in plasmas has been hugely successful. Ground-based instruments remotely sense processes and phenomena in geospace and since this volume is large, networks of such instruments are the best way of measuring the global state of geospace and its dynamics. In this paper, I describe ways in which the Super Dual Auroral Radar Network (SuperDARN) has contributed to the success of ground-based networks, concentrating on science results, which have required the network approach so well demonstrated by SuperDARN. Such science includes the remote sensing of the reconnection electric field and its dynamics, the study of processes where asymmetries in the geospace system are induced by the external driving forces, and MHD waves, which play an important role in the transfer of energy and momentum within geospace. In addition, I discuss open science questions, which can be addressed by SuperDARN in the future, in particular in conjunction with current and future space missions as well as other ground-based networks.